公开(公告)号：US20110195317A1

公开(公告)日：2011-08-11

申请号：US13056599

申请日：2009-07-29

申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Akiyoshi Yamauchi ,  Hiroyuki Arima

发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Akiyoshi Yamauchi ,  Hiroyuki Arima

IPC分类号： H01M10/052 ,  H01M10/05 ,  H01M10/0569

CPC分类号： H01M10/0569 ,  H01M6/164 ,  H01M10/052 ,  H01M2300/0025 ,  H01M2300/0034 ,  Y02T10/7011

摘要： A solvent for a non-aqueous electrolytic solution providing a lithium secondary cell being specifically excellent in discharge capacity, rate characteristic and cycle characteristic and having improved incombustibility (safety), a non-aqueous electrolytic solution using the solvent, and further a lithium secondary cell are provided. The solvent for dissolving an electrolyte salt of a lithium secondary cell comprises at least one fluorine-containing solvent (I) selected from the group consisting of fluorine-containing ether, fluorine-containing ester and fluorine-containing chain carbonate, a fluorine-containing aromatic compound (II), in which a part or the whole of hydrogen atoms are replaced by fluorine atoms, and other carbonate (III), the non-aqueous electrolytic solution comprises the solvent and an electrolyte salt, and the lithium secondary cell uses the non-aqueous electrolytic solution.

摘要翻译： 提供特别优异的放电容量，速率特性和循环特性并且具有改善的不燃性（安全性）的锂二次电池的非水电解液的溶剂，使用该溶剂的非水电解液，以及锂二次电池 被提供。 用于溶解锂二次电池的电解质盐的溶剂包括至少一种选自含氟醚，含氟酯和含氟链状碳酸酯的含氟溶剂（I），含氟芳族 化合物（II）（其中一部分或全部氢原子被氟原子取代）和其它碳酸酯（III），非水电解液包含溶剂和电解质盐，锂二次电池使用非 - 水溶液。

公开(公告)号：US09240616B2

公开(公告)日：2016-01-19

申请号：US12864926

申请日：2009-01-22

申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Akiyoshi Yamauchi ,  Akinori Tani

发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Akiyoshi Yamauchi ,  Akinori Tani

IPC分类号： H01M10/0569 ,  H01M10/0525

CPC分类号： H01M10/0569 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

摘要： A solvent for non-aqueous electrolytic solution of lithium secondary battery including a non-fluorine-containing cyclic carbonate (I), a non-fluorine-containing chain carbonate (II) and 1,2-dialkyl-1,2-difluoroethylene carbonate (III). When the total amount of (I), (II) and (III) is taken as 100% by volume, the non-fluorine-containing cyclic carbonate (I) is contained in an amount of 10 to 50% by volume, the non-fluorine-containing chain carbonate (II) is contained in an amount of 49.9 to 89.9% by volume and the 1,2-dialkyl-1,2-difluoroethylene carbonate (III) is contained in an amount of not less than 0.1% by volume and less than 30% by volume. A non-aqueous electrolytic solution including the above-mentioned solvent and a lithium secondary battery using the non-aqueous electrolytic solution are also disclosed.

摘要翻译： 一种包含非含氟环状碳酸酯（I），不含氟链状碳酸酯（II）和1,2-二烷基-1,2-二氟亚乙基碳酸酯（II）的锂二次电池的非水电解液的溶剂 III）。 当（I），（II）和（III）的总量为100体积％时，非氟系环状碳酸酯（I）的含量为10〜50体积％ 含氟链状碳酸酯（II）的含量为49.9〜89.9体积％，1,2-二烷基-1,2-二氟亚乙基碳酸酯（III）的含量为0.1％以上， 体积小于30％。 还公开了包含上述溶剂的非水电解液和使用非水电解液的锂二次电池。

公开(公告)号：US08415056B2

公开(公告)日：2013-04-09

申请号：US13003286

申请日：2009-07-06

申请人： Meiten Koh ,  Hitomi Nakazawa ,  Hideo Sakata ,  Michiru Kagawa ,  Akiyoshi Yamauchi

发明人： Meiten Koh ,  Hitomi Nakazawa ,  Hideo Sakata ,  Michiru Kagawa ,  Akiyoshi Yamauchi

IPC分类号： H01M6/16 ,  H01G9/02

CPC分类号： H01M10/0569 ,  H01M10/052 ,  H01M10/0568 ,  H01M2300/0025 ,  H01M2300/0034 ,  H01M2300/004 ,  Y02T10/7011

摘要： There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.

摘要翻译： 提供了一种确保电解质盐的良好溶解性并具有足够的电池特性（充放电循环特性，放电容量等）的非水电解液，非水电解液包含溶解电解质的溶剂 盐，其包含（A）至少一种选自含氟醚和含氟碳酸酯的含氟溶剂，（B）非含氟环状碳酸酯和（C）由式 （C）：R1COOR2，其中R1是具有2至4个碳原子的烷基; R2是碳原子数1〜4的烷基或碳原子数1〜4的含氟烷基，（II）电解质盐。

公开(公告)号：US20120301794A1

公开(公告)日：2012-11-29

申请号：US13577119

申请日：2011-02-07

申请人： Meiten Koh ,  Hideo Sakata ,  Tomoyo Sanagi ,  Hitomi Nakazawa ,  Hiroyuki Arima ,  Toshiki Ichisaka

发明人： Meiten Koh ,  Hideo Sakata ,  Tomoyo Sanagi ,  Hitomi Nakazawa ,  Hiroyuki Arima ,  Toshiki Ichisaka

IPC分类号： H01M10/0565 ,  H01M10/0561

CPC分类号： H01M10/0565 ,  H01B1/122 ,  H01M2300/0085 ,  H01M2300/0091

摘要： The present invention provides a composite gel electrolyte film for a secondary battery which has improved ion conductivity and excellent ignition resistance and is insusceptible to discoloration. The present invention is a composite gel electrolyte film for a secondary battery comprising: a gel electrolyte for a secondary battery formed of an electrolyte retention film impregnated with a nonaqueous electrolyte; and a porous film formed of at least one resin selected from the group consisting of polyethylene, polypropylene, and polyimide, the electrolyte retention film containing a vinylidene fluoride copolymer resin that includes a vinylidene fluoride unit and a tetrafluoroethylene unit at a molar ratio of 55/45 to 95/5 and further includes 0 to 10 mol % of a hexafluoropropylene unit, the total of the vinylidene fluoride unit, the tetrafluoroethylene unit, and the hexafluoropropylene unit being 100 mol %.

摘要翻译： 本发明提供一种二次电池用复合凝胶电解质膜，其具有改善的离子传导性和优异的耐点火性，并且不易变色。 本发明是一种二次电池用复合凝胶电解质膜，其特征在于，包括：由浸渍有非水电解质的电解质保留膜形成的二次电池用凝胶电解质; 以及由选自聚乙烯，聚丙烯和聚酰亚胺的至少一种树脂形成的多孔膜，所述电解质保留膜含有偏二氟乙烯单元和四氟乙烯单元的偏二氟乙烯共聚物树脂，摩尔比为55 / 45〜95/5，进一步含有0〜10摩尔％的六氟丙烯单元，1,1-二氟乙烯单元，四氟乙烯单元和六氟丙烯单元的合计为100摩尔％。

公开(公告)号：US20110318638A1

公开(公告)日：2011-12-29

申请号：US13201127

申请日：2010-02-10

申请人： Meiten Koh ,  Hiroyuki Arima ,  Hideo Sakata ,  Hitomi Nakazawa

发明人： Meiten Koh ,  Hiroyuki Arima ,  Hideo Sakata ,  Hitomi Nakazawa

IPC分类号： H01M4/62 ,  H01M4/04 ,  H01M4/505 ,  H01M4/525

CPC分类号： H01M4/131 ,  H01M4/0404 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/621 ,  H01M4/623 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

摘要： The invention provides a stable positive-electrode mixture slurry that is not subject to gelation, a positive electrode with abundant flexibility, and a lithium secondary battery with excellent battery characteristics. The slurry comprises a positive-electrode active material, a binder, and an organic solvent, the positive-electrode active material is a lithium-containing complex metal oxide represented by Formula: Lix M1yM21−yO2 (wherein 0.4≦x≦1; 0.3≦y≦1; M1 is at least one selected from Ni or Mn; and M2 is at least one selected from Co, Al, or Fe); and the binder comprises a fluorine-containing polymer represented by Composition Formula: (VDF)m(TFE)n(HFP)l (wherein VDF is a structural unit from vinylidene fluoride; TFE is a structural unit from tetrafluoroethylene; HFP is a structural unit from hexafluoropropylene; and 0.45≦m≦1; 0≦n≦0.5; and 0≦l≦0.1, and m+n+l=1).

摘要翻译： 本发明提供了不会凝胶化的稳定的正极混合料浆料，具有大量柔韧性的正极和具有优异电池特性的锂二次电池。 该浆料包含正极活性物质，粘合剂和有机溶剂，正极活性物质是由式：Lix M1yM21-yO2（其中0.4＆nlE; x＆nlE; 1; 0.3）表示的含锂复合金属氧化物 ＆nlE; y＆nlE; 1; M1是选自Ni或Mn中的至少一种; M2是选自Co，Al或Fe中的至少一种）; 粘合剂包括由组成式：（VDF）m（TFE）n（HFP）1（其中VDF是来自偏二氟乙烯的结构单元; TFE是来自四氟乙烯的结构单元）表示的含氟聚合物; HFP是结构单元 来自六氟丙烯;和0.45＆nlE; m＆nlE; 1; 0＆nlE; n＆nlE; 0.5;以及0＆lt; l; l＆nlE; 0.1和m + n + 1 = 1）。

公开(公告)号：US20110111307A1

公开(公告)日：2011-05-12

申请号：US13002004

申请日：2009-06-29

申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Hiroyuki Arima

发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Hiroyuki Arima

IPC分类号： H01M10/0569 ,  H01M10/052

CPC分类号： H01M10/052 ,  H01M4/485 ,  H01M6/164 ,  H01M10/0569 ,  H01M2300/0025 ,  H01M2300/0034 ,  Y02E60/122 ,  Y02T10/7011

摘要： There is provided a lithium secondary cell having specifically excellent discharge capacity, rate characteristics and further cycle characteristics and improved incombustibility (safety). The lithium secondary cell comprises a negative electrode, a non-aqueous electrolytic solution and a positive electrode, in which an active material for the negative electrode comprises lithium titanate and the non-aqueous electrolytic solution comprises a fluorine-containing solvent.

摘要翻译： 提供了具有特别优异的放电容量，速率特性和进一步的循环特性以及改善的不燃性（安全性）的锂二次电池。 锂二次电池包括负极，非水电解液和正极，其中负极活性物质包含钛酸锂，非水电解液包含含氟溶剂。

公开(公告)号：US20100062344A1

公开(公告)日：2010-03-11

申请号：US12525685

申请日：2008-02-05

申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Michiru Tanaka ,  Akiyoshi Yamauchi

发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Michiru Tanaka ,  Akiyoshi Yamauchi

IPC分类号： H01M6/16

CPC分类号： H01M10/0569 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/4235 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2300/0034 ,  H01M2300/0037 ,  H01M2300/004 ,  H01M2300/0042 ,  Y02E60/122 ,  Y02T10/7011

摘要： There is provided a non-aqueous electrolytic solution comprising an electrolyte salt, a specific fluorine-containing solvent and a fluorine-containing cyclic carbonate represented by the formula (A1): wherein X1 to X4 are the same or different and each is —H, —F, —CF3, —CHF2, —CH2F, —CF2CF3, —CH2CF3 or —CH2OCH2CF2CF3; at least one of X1 to X4 is —F, —CF3, —CF2CF3, —CH2CF3 or —CH2OCH2CF2CF3, and the non-aqueous electrolytic solution has further excellent noncombustibility and is suitable for lithium secondary batteries.

摘要翻译： 提供一种非水电解液，其包含电解质盐，特定含氟溶剂和由式（A1）表示的含氟环状碳酸酯：其中X1至X4相同或不同，并且各自为-H， -F，-CF 3，-CHF 2，-CH 2 F，-CF 2 CF 3，-CH 2 CF 3或-CH 2 OCH 2 CF 2 CF 3; X 1〜X 4中的至少一个为-F，-CF 3，-CF 2 CF 3，-CH 2 CF 3或-CH 2 OCH 2 CF 2 CF 3，非水电解液具有更好的不燃性，适用于锂二次电池。

公开(公告)号：US20090305144A1

公开(公告)日：2009-12-10

申请号：US12373442

申请日：2007-07-12

申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Michiru Tanaka ,  Akiyoshi Yamauchi

发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Michiru Tanaka ,  Akiyoshi Yamauchi

IPC分类号： H01M6/16

CPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

摘要： There is provided an electrochemical device provided with an electrolytic solution comprising (I) a solvent for dissolving an electrolyte salt comprising (A) a fluorine-containing ether represented by the formula (1): Rf1—O—Rf2 wherein Rf1 and Rf2 are the same or different and each is a fluorine-containing alkyl group having 3 to 6 carbon atoms, (B) a cyclic carbonate, and (C) a chain carbonate being compatible with both of the fluorine-containing ether (A) and the cyclic carbonate (B), and (II) an electrolyte salt, in which the solvent (I) for dissolving an electrolyte salt comprises 30 to 60% by volume of the fluorine-containing ether (A), 3 to 40% by volume of the cyclic carbonate (B) and 10 to 67% by volume of the chain carbonate (C) based on the whole solvent (I), and when the electrochemical device is provided with such an electrolytic solution, no phase separation occurs even at low temperature, flame retardancy and heat resistance are excellent, solubility of an electrolyte salt is high, discharge capacity is large, and charge and discharge cycle characteristics are satisfactory.

摘要翻译： 提供一种具有电解溶液的电化学装置，其包含（I）用于溶解电解质盐的溶剂，其包含（A）由式（1）表示的含氟醚：Rf1-O-Rf2，其中Rf1和Rf2为 相同或不同，分别为具有3〜6个碳原子的含氟烷基，（B）环状碳酸酯，（C）与含氟醚（A）和环状碳酸酯 （B）和（II）电解质盐，其中溶解电解质盐的溶剂（I）含有30〜60体积％的含氟醚（A），3〜40体积％的环状 碳酸酯（B）和基于整个溶剂（I）的链状碳酸酯（C）的10至67体积％，并且当电化学装置设置有这种电解液时，即使在低温下也不发生相分离，火焰 阻燃性和耐热性优异，电解质sal的溶解性 t高，放电容量大，充放电循环特性令人满意。

公开(公告)号：US09397368B2

公开(公告)日：2016-07-19

申请号：US13880233

申请日：2011-10-11

申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Kyouhei Sawaki ,  Tomoyo Sanagi ,  Akiyoshi Yamauchi ,  Aoi Nakazono ,  Akinori Tani ,  Masahiro Tomita ,  Yuki Adachi

发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Kyouhei Sawaki ,  Tomoyo Sanagi ,  Akiyoshi Yamauchi ,  Aoi Nakazono ,  Akinori Tani ,  Masahiro Tomita ,  Yuki Adachi

IPC分类号： H01M10/0569 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0567 ,  H01M10/0568 ,  H01G9/035 ,  H01M10/0525

CPC分类号： H01M10/0569 ,  H01G9/035 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  Y02E60/122 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

摘要： The present invention directs to a non-aqueous electrolyte solution, including (I) at least one compound selected from the group consisting of fluorinated linear sulfones and fluorinated linear sulfonic acid esters, and (II) an electrolyte salt. Such a non-aqueous electrolyte solution has high oxidation resistance, minimizes its decomposition even when hydrofluoric acid is produced. Also, the solution is less likely to cause, in the case of being used for a secondary cell, swelling of the cell and lowering of the battery performance.

摘要翻译： 本发明涉及非水电解质溶液，其包括（I）至少一种选自氟化线性砜和氟化线性磺酸酯的化合物，和（II）电解质盐。 这种非水电解质溶液具有高抗氧化性，即使在产生氢氟酸时也使其分解最小化。 此外，在用于二次电池的情况下，该溶液不太可能导致电池膨胀并且降低电池性能。

公开(公告)号：US09070951B2

公开(公告)日：2015-06-30

申请号：US13496971

申请日：2010-09-17

申请人： Meiten Koh ,  Akiyoshi Yamauchi ,  Akinori Tani ,  Hideo Sakata ,  Hitomi Nakazawa ,  Toshiki Ichisaka ,  Hiroyuki Arima ,  Tomoyo Sanagi

发明人： Meiten Koh ,  Akiyoshi Yamauchi ,  Akinori Tani ,  Hideo Sakata ,  Hitomi Nakazawa ,  Toshiki Ichisaka ,  Hiroyuki Arima ,  Tomoyo Sanagi

IPC分类号： H01M4/58 ,  H01M6/16 ,  H01M10/0569 ,  H01M10/052 ,  H01M6/14

CPC分类号： H01M10/0569 ,  H01M6/14 ,  H01M6/16 ,  H01M6/162 ,  H01M6/166 ,  H01M10/052 ,  H01M2300/0025 ,  Y02E60/122 ,  Y02T10/7011

摘要： The present invention provides a solvent for a nonaqueous electrolyte solution enabling a lithium secondary battery to exhibit an excellent discharge capacity, load characteristics, and cycle characteristics even under high voltages, as well as a nonaqueous electrolyte solution that uses this solvent and a lithium secondary battery. This solvent for a nonaqueous electrolyte solution is a solvent for a nonaqueous electrolyte solution for a lithium secondary battery, wherein the solvent for a nonaqueous electrolyte solution contains a fluorine-free cyclic carbonate (I), a fluorine-free chain carbonate (II), and a 1,1-di(fluorinated alkyl)ethylene carbonate (III), and wherein with a sum of (I), (II), and (III) being 100 volume %, the fluorine-free cyclic carbonate (I) is 10 to 50 volume %, the fluorine-free chain carbonate (II) is 49.9 to 89.9 volume %, and the 1,1-di(fluorinated alkyl)ethylene carbonate (III) is from at least 0.1 volume % to not more than 30 volume %.

摘要翻译： 本发明提供一种非水电解液的溶剂，其能够使锂二次电池即使在高电压下也显示优异的放电容量，负载特性和循环特性，以及使用该溶剂的非水电解质溶液和锂二次电池 。 该非水电解液用溶剂是锂二次电池用非水电解液的溶剂，其中，非水电解液的溶剂含有无氟环状碳酸酯（I），无碳链碳酸酯（II）， 和（I），（II）和（III）之和为100体积％的无水环状碳酸酯（I）为1〜2（氟化烷基）碳酸亚乙酯（III） 10〜50体积％，无碳链碳酸酯（II）为49.9〜89.9体积％，1,1-二（氟化烷基）碳酸亚乙酯（III）为0.1体积％以上30以下 体积％。